Home / 374,764.16-517,070.40-223,806.08

Finding the Fourth Proportional to 374,764.16, 517,070.40 and 223,806.08

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Solution

The fourth proportional to 374,764.16, 517,070.40 and 223,806.08 is: 308,790.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,764.16 : 517,070.40 = 223,806.08 : x
  2. Step 2: Convert to fraction form
    374,764.16/517,070.40 = 223,806.08/x
  3. Step 3: Cross multiply
    374,764.16x = 517,070.40 × 223,806.08
  4. Step 4: Simplify right side
    374,764.16x = 115,723,499,308.03
  5. Step 5: Solve for x
    x = 115,723,499,308.03/374,764.16
  6. Step 6: Final answer
    x = 308,790.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.